Frank SM, Abazyan B, Ono M, Hogue CW, Cohen DB, Berkowitz DE, Ness PM, Barodka VM. Anesth Analg. 2013 May;116(5):975-81. doi: 10.1213/ANE.0b013e31828843e6. Epub 2013 Feb 28.
Department of Anesthesiology/Critical Care Medicine, The Johns Hopkins Medical Institutions, 1800 Orleans Street, Zayed-6208, Baltimore, MD 21287.